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101278 (1998 SS116)
Classification: Main-belt Asteroid          SPK-ID: 2101278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2351458666475712 4.5183e-08  
a 2.57216030730419 1.2948e-08 au
q 1.967327442686663 1.1916e-07 au
i 4.282524369043424 5.4235e-06 deg
node 274.5460761082844 5.3222e-05 deg
peri 37.94438216992196 5.4266e-05 deg
M 181.146686513091 1.2967e-05 deg
tp 2459949.083007531664
(2023-Jan-04.58300753)
5.8377e-05 TDB
period 1506.76483123207
4.13
1.1377e-05
3.115e-08
d
yr
n .2389224864676664 1.8041e-09 deg/d
Q 3.176993171921717 1.5993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      9190 days (25.16 yr)  
   first obs. used      1996-01-13  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5482  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:03  

Additional Information
 Earth MOID = .953245 au 
 Jupiter MOID = 2.11725 au 
 T_jup = 3.386 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.39   n/a E2021B55  
diameter diameter 4.829 km 0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101278 (1998 SS116)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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